1 // Test this without pch.
2 // RUN: %clang_cc1 -D__DATE__= -D__TIMESTAMP__= -include %s -Wno-builtin-macro-redefined -fsyntax-only -verify %s
3 
4 // Test with pch.
5 // RUN: %clang_cc1 -D__DATE__= -D__TIMESTAMP__= -Wno-builtin-macro-redefined -emit-pch -o %t %s
6 // RUN: %clang_cc1 -D__DATE__= -D__TIMESTAMP__= -Wno-builtin-macro-redefined -include-pch %t -fsyntax-only -verify %s
7 
8 #if !defined(HEADER)
9 #define HEADER
10 
11 #define __TIME__
12 
13 #undef __TIMESTAMP__
14 #define __TIMESTAMP__
15 
16 // FIXME: undefs don't work well with pchs yet, see PR31311
17 // Once that's fixed, add -U__COUNTER__ to all command lines and check that
18 // an attempt to use __COUNTER__ at the bottom produces an error in both non-pch
19 // and pch case (works fine in the former case already).
20 // Same for #undef __FILE__ right here and a use of that at the bottom.
21 //#undef __FILE__
22 
23 // Also spot-check a predefine
24 #undef __STDC_HOSTED__
25 
26 #else
27 
28 const char s[] = __DATE__ " " __TIME__ " " __TIMESTAMP__;
29 
30 // Check that we pick up __DATE__ from the -D flag:
31 int i = __DATE__ 4;
32 
33 const int d = __STDC_HOSTED__; // expected-error{{use of undeclared identifier '__STDC_HOSTED__'}}
34 
35 #endif
36